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Friday, November 16, 2012

Drones on their way

Unmanned aircraft, known as drones, are the eyes and ears of the US military, providing troops with an "eye in the sky" in situations where manned flight is considered too dangerous or difficult.

A decade ago less than five per cent of US military aircraft were unmanned, now 40 per cent have no pilot on board - from small surveillance craft light enough to be launched by hand, to medium-sized armed drones and large spy planes.

But the role of the drone is now changing.Millions of pounds are being sunk into civilian projects - everything from border security to police surveillance and even transporting goods.

This year the US Congress passed legislation giving US airspace regulator the Federal Aviation Administration (FAA) until September 2015 to open up its airspace to drones, and Britain is expected to follow suit.

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Multinational freight firms like Federal Express are looking at using unmanned aircraft to deliver mail and cargo long distance.

But before the emerging civilian drone industry can really get going, some serious safety and privacy hurdles have to be overcome.

The US airspace regulator the FAA said it expects 10,000 unmanned commercial aircraft to be flying in American skies by 2017, a plan that has been met with some fierce criticism.

Campaigns are now underway to make a number of US cities "drone free" and politicians are debating a privacy bill which would require drone operators on the US mainland to inform the government of any data collected.

The public is just not aware how quickly this is happening. We're talking in the US of opening up the skies by 2015 and in the UK by 2020.

There is a real failure to have a proper discussion and debate about this in the UK. Very few parliamentarians for instance are talking about this.

Avoidance systems

But behind the scenes a large amount of public money is already being spent here in Britain.

A consortium of defence companies led by BAE Systems has been given almost £31m in regional funding to try and prove civilian drones can safely share the skies with other airspace users.

Aberporth in west Wales is home to the largest drone test site in Europe

Another £17m has been spent turning an old military base at Aberporth in west Wales into Europe's first centre for flying and testing civilian drone aircraft.

The key piece of technology currently missing is a "detect-and-avoid" system for civilian drones that will automatically steer the pilotless craft away from commercial airliners and crash land in a safe area if necessary.

The CAA has made it clear that it will not approve the use of drones larger than 20kg in UK airspace until it is convinced the drone can automatically sense and avoid other aircraft

If there is an accident at this stage it would set the industry back a long way, Mr Corbett at the CAA said.

We're not there yet but there are a lot of people working on it very closely, he added. Whoever cracks the 'detect-and-avoid' nut first will, I think, have a winner on their hands.